Our company has more than five years of experience to produce sinter piston part. The products can be widely used in many kinds of shock absorbersof automobiles and motorcycles. The middle part is the powder metallurgy and the outside is the PTFE material, which has the advantage of low friction coefficient, good wear resistance and so on. These kinds of products canbe usedin high temperature without any problem. The products have passed the Test center, Shang hai Plastic Research Institute. As soon as we get the new samples, we will send to shanghai to have a test. We are improving ourselves step by step. We can design and produce the PTFE sinter piston part according to the customer's demand. Supply theproducts with best quality,good service and excellent credit. Establish long-term and stable business relationship with domestic and international customers. If you have any questions, please don't hesitate to contact us. Materials: PTFE+BRONZEPTFE+BRONZE+ACID TREATMENTPTFE+CARBON FIBERPTFE+GLASS FIBER+INTENSIFIEROTHER FILLERSYou can choose one kind of material above to design your piston part. Lip design: No LipSingle LipDouble LipMore details, please come into our website http://www.xyptfe.com